CVE-2026-46103

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-05-27. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

can: ucan: fix devres lifetime

USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when drivers are unbound without their devices being physically disconnected (e.g. on probe deferral or configuration changes).

Fix the control message buffer lifetime so that it is released on driver unbind.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 25, 2026

Advisory Details (8)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fed4626501c871890da287bec62a96e52da1af89
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cb2e41e87a2893345859440017e7178bf7a4c70d
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c524c124e3094d2de12235a513854c03d06a2b58
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a90f0815aaa9c629ac4750e7c71c357dd7f231d7
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3df5b9110ac08f67ccfe382fc172bfee95688eec
generic

can: ucan: fix devres lifetime - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/10b7b676b78a7bd888d19729b459aad7fc1f428b

Vendor Advisories for CVE-2026-46103(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(20)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-08-25ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-27.27) @ resolute2026-08-25ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1013.13) @ resolute2026-08-25ubuntu
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-08-25ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-08-25ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-25ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1063.71~22.04.1) @ jammy2026-08-25ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-25ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-25ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-25ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-08-25ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-25ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-25ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-25ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-25ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-25ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-08-25ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-25ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-25ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1014.14) @ resolute2026-08-25ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.86-1~bpo12+1 (19 versions)6.12.86-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.4-1~bpo13+1 (131 versions)7.0.4-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(20)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 4× in last 7d / 67× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 200 total refreshes for this CVE.

  1. 2026-09-02 14:12 UTCEPSS rescore
  2. 2026-09-01 13:54 UTCEPSS rescore
  3. 2026-08-30 19:17 UTCEPSS rescore
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-28 21:41 UTCEPSS rescore
  6. 2026-08-27 14:25 UTCEPSS rescore
  7. 2026-08-26 14:46 UTCEPSS rescore
  8. 2026-08-25 13:49 UTCEPSS rescore
  9. 2026-08-25 05:18 UTCEG score recompute
  10. 2026-08-25 05:18 UTCVendor advisory
  11. 2026-08-25 05:17 UTCGHSA enrichment
  12. 2026-08-23 15:02 UTCEG score recompute
  13. 2026-08-23 15:02 UTCVendor advisory
  14. 2026-08-23 15:01 UTCGHSA enrichment
  15. 2026-08-23 00:19 UTCEPSS rescore
  16. 2026-08-21 23:49 UTCEPSS rescore
  17. 2026-08-21 20:35 UTCEG score recompute
  18. 2026-08-21 20:35 UTCVendor advisory
  19. 2026-08-21 20:35 UTCGHSA enrichment
  20. 2026-08-20 22:55 UTCEPSS rescore
  21. 2026-08-20 11:19 UTCEG score recompute
  22. 2026-08-20 11:19 UTCVendor advisory
  23. 2026-08-20 11:19 UTCGHSA enrichment
  24. 2026-08-19 17:04 UTCEPSS rescore
  25. 2026-08-18 13:48 UTCEPSS rescore
Show 75 more
  1. 2026-08-17 13:47 UTCEPSS rescore
  2. 2026-08-17 09:17 UTCEG score recompute
  3. 2026-08-17 09:17 UTCVendor advisory
  4. 2026-08-17 09:17 UTCGHSA enrichment
  5. 2026-08-16 14:56 UTCEPSS rescore
  6. 2026-08-16 02:50 UTCEG score recompute
  7. 2026-08-16 02:50 UTCVendor advisory
  8. 2026-08-16 02:50 UTCGHSA enrichment
  9. 2026-08-16 02:14 UTCEPSS rescore
  10. 2026-08-15 01:30 UTCEPSS rescore
  11. 2026-08-15 01:27 UTCVendor advisory
  12. 2026-08-15 01:27 UTCGHSA enrichment
  13. 2026-08-14 01:27 UTCEG score recompute
  14. 2026-08-14 01:27 UTCVendor advisory
  15. 2026-08-14 01:27 UTCGHSA enrichment
  16. 2026-08-13 22:00 UTCEPSS rescore
  17. 2026-08-13 00:12 UTCEG score recompute
  18. 2026-08-13 00:12 UTCVendor advisory
  19. 2026-08-13 00:12 UTCGHSA enrichment
  20. 2026-08-12 13:51 UTCEPSS rescore
  21. 2026-08-12 00:12 UTCEG score recompute
  22. 2026-08-12 00:12 UTCVendor advisory
  23. 2026-08-12 00:12 UTCGHSA enrichment
  24. 2026-08-11 00:12 UTCEG score recompute
  25. 2026-08-11 00:12 UTCVendor advisory
  26. 2026-08-11 00:12 UTCGHSA enrichment
  27. 2026-08-11 00:00 UTCEPSS rescore
  28. 2026-08-09 21:23 UTCEG score recompute
  29. 2026-08-09 21:23 UTCVendor advisory
  30. 2026-08-09 21:23 UTCGHSA enrichment
  31. 2026-08-09 13:46 UTCEPSS rescore
  32. 2026-08-08 21:23 UTCEG score recompute
  33. 2026-08-08 21:23 UTCVendor advisory
  34. 2026-08-08 21:23 UTCGHSA enrichment
  35. 2026-08-08 16:37 UTCEPSS rescore
  36. 2026-08-07 20:53 UTCEG score recompute
  37. 2026-08-07 20:53 UTCVendor advisory
  38. 2026-08-07 20:53 UTCGHSA enrichment
  39. 2026-08-06 20:53 UTCEG score recompute
  40. 2026-08-06 20:53 UTCVendor advisory
  41. 2026-08-06 20:53 UTCGHSA enrichment
  42. 2026-08-06 13:47 UTCEPSS rescore
  43. 2026-08-05 20:53 UTCEG score recompute
  44. 2026-08-05 20:53 UTCVendor advisory
  45. 2026-08-05 20:53 UTCGHSA enrichment
  46. 2026-08-05 19:17 UTCEPSS rescore
  47. 2026-08-04 15:10 UTCEPSS rescore
  48. 2026-08-04 10:39 UTCEPSS rescore
  49. 2026-08-03 16:27 UTCEG score recompute
  50. 2026-08-03 16:27 UTCVendor advisory
  51. 2026-08-03 16:27 UTCGHSA enrichment
  52. 2026-08-03 10:36 UTCEPSS rescore
  53. 2026-08-02 15:16 UTCEG score recompute
  54. 2026-08-02 15:16 UTCVendor advisory
  55. 2026-08-02 15:16 UTCGHSA enrichment
  56. 2026-08-02 02:27 UTCEPSS rescore
  57. 2026-08-01 15:16 UTCEG score recompute
  58. 2026-08-01 15:16 UTCVendor advisory
  59. 2026-08-01 15:16 UTCGHSA enrichment
  60. 2026-08-01 04:16 UTCEPSS rescore
  61. 2026-07-31 07:30 UTCEG score recompute
  62. 2026-07-31 07:30 UTCVendor advisory
  63. 2026-07-31 07:30 UTCGHSA enrichment
  64. 2026-07-30 16:28 UTCEPSS rescore
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-29 15:08 UTCEG score recompute
  67. 2026-07-29 15:08 UTCVendor advisory
  68. 2026-07-29 15:08 UTCGHSA enrichment
  69. 2026-07-28 15:36 UTCEPSS rescore
  70. 2026-07-27 14:13 UTCEPSS rescore
  71. 2026-07-27 10:19 UTCEG score recompute
  72. 2026-07-27 10:19 UTCVendor advisory
  73. 2026-07-27 10:19 UTCGHSA enrichment
  74. 2026-07-26 14:54 UTCEPSS rescore
  75. 2026-07-26 14:54 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46103?
CVE-2026-46103 is a medium vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: can: ucan: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when drivers…
When was CVE-2026-46103 disclosed?
CVE-2026-46103 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46103 actively exploited?
CVE-2026-46103 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.3% of all scored CVEs.
What is the CVSS score of CVE-2026-46103?
CVE-2026-46103 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-46103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46103, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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